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- Yokogawa
- AAI841-H50/K4A00
- Analog Input/Output (I/O) Module
- Japan
- 50 mm × 130 mm × 160 mm
- 0.6kg
- Xiamen, China
- New & In Stock
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Product Profile: Yokogawa AAI841-H50/K4A00
Brand & Series
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Brand: Yokogawa Electric Corporation
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Series: AAI841 Analog I/O Module Series
Product Description
The AAI841-H50/K4A00 is a high-density analog input/output module designed for use in distributed control systems (DCS) and programmable logic controllers (PLC). It features 16 channels—8 for analog input and 8 for analog output—supporting 4–20 mA current signals. The module utilizes the K4A00 terminal block interface, facilitating easy installation and wiring.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Model | AAI841-H50/K4A00 |
| Input Channels | 8 |
| Output Channels | 8 |
| Input Signal Type | 4–20 mA DC |
| Output Signal Type | 4–20 mA DC |
| Input Accuracy | ±0.1% of span |
| Output Accuracy | ±0.1% of span |
| Input Impedance | 250 Ω for current input |
| Output Impedance | 500 Ω for current output |
| Isolation | Non-isolated |
| Mounting | DIN rail or I/O baseplate |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95% non-condensing |
| Dimensions (W x D x H) | 50 mm × 130 mm × 160 mm |
| Weight | 0.6 kg |
| Power Supply | 24 V DC nominal |
| Power Consumption | 7 W |
| Update Time | 100 ms for all 16 channels |
| HART Communication | Supported |
Applications
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Chemical and Petrochemical Processing: Monitoring and controlling process variables such as flow, pressure, and temperature.
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Power Generation and Utilities: Integration into control systems for power plants and substations.
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Oil and Gas Industry: Real-time data acquisition for upstream and downstream operations.
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Pharmaceutical Manufacturing: Ensuring precise control of manufacturing processes.
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Food and Beverage Processing: Maintaining quality control in production lines.
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Water and Wastewater Treatment: Monitoring water quality parameters and treatment processes.
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Pulp and Paper Industry: Managing process variables in paper production.
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Metals and Mining Automation: Control of processes in metal extraction and processing.
Advantages
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High Accuracy: ±0.1% of span for both input and output signals ensures precise data handling.
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Flexible Signal Handling: Supports 4–20 mA DC signals, compatible with a wide range of field devices.
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Easy Installation: K4A00 terminal block interface simplifies wiring and maintenance.
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Compact Design: Space-saving dimensions suitable for installations with limited space.
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Robust Performance: Designed to operate reliably in industrial environments with varying temperatures.
Related Models from the AAI841 Series
| Model | Input Channels | Output Channels | Signal Type | HART Communication | Terminal Block Interface |
|---|---|---|---|---|---|
| AAI841-H50/K4A00 | 8 | 8 | 4–20 mA | Yes | K4A00 |
| AAI841-S50/K4A00 | 8 | 8 | 4–20 mA | No | K4A00 |
| AAI841-H53/K4A00 | 8 | 8 | 4–20 mA | Yes | K4A00 |
| AAI841-S53/K4A00 | 8 | 8 | 4–20 mA | No | K4A00 |
| AAI841-H00/A4S00 | 8 | 8 | 4–20 mA | Yes | A4S00 |
Popular Models from Yokogawa
| Model | Type | Channels | Signal Type | HART Communication | Mounting Type |
|---|---|---|---|---|---|
| AAI543-H50/A4S00 | Analog Output | 16 | 4–20 mA | Yes | DIN rail |
| AAI143-H50/K4A00 | Analog Input | 16 | 4–20 mA | Yes | DIN rail |
| AAI141-H50/K4A00 | Analog Input | 8 | 4–20 mA | Yes | DIN rail |
| AAI835-H00 | Analog Input | 32 | 4–20 mA | No | DIN rail |
| AAI543-H00 | Analog Output | 16 | 4–20 mA | No | DIN rail |
Frequently Asked Questions (FAQs)
Q1: What is the input signal range for the AAI841-H50/K4A00?
A1: The module accepts 4–20 mA DC input signals.
Q2: How many input and output channels does this module have?
A2: It has 8 input channels and 8 output channels.
Q3: Is HART communication supported?
A3: Yes, this model supports HART communication.
Q4: What is the accuracy of the input and output signals?
A4: Both input and output signals have an accuracy of ±0.1% of span.
Q5: What is the operating temperature range?
A5: The module operates within -20°C to +70°C.
Q6: What is the storage temperature range?
A6: The module can be stored between -40°C and +85°C.
Q7: What is the weight of the module?
A7: The module weighs 0.6 kg.
Q8: What are the dimensions of the module?
A8: The dimensions are 50 mm (W) × 130 mm (D) × 160 mm (H).
Q9: What type of terminal block interface does it use?
A9: It uses the K4A00 terminal block interface for easy and reliable wiring connections.
Q10: Can this module be mounted on a DIN rail?
A10: Yes, the AAI841-H50/K4A00 supports mounting on a standard DIN rail or an I/O baseplate, making installation flexible and straightforward.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.